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Lead Thermal Engineer6 days ago Requisition
Salary Range: $ To $ Annually
Lead Thermal Engineer
Status: Exempt, Full Time
Location: Moriarty, NM or North Bay, CA
Reports To: Design Engineering Manager
Who Are We:
Sceye is a high-growth technology company, building the next generation of instant communications, imaging and remote sensing infrastructure through stratospheric platforms. Our lighter-than-air high-altitude platform systems (LTA HAPS) are capable of maintaining position over an operational area in the stratosphere (altitudes of 18 – 21km). They can carry multiple telecommunications, imaging and remote sensing payloads, providing unique functionality, cost, environmental and societal advantages.
Our customers & partners include some of the largest global telecommunications companies, infrastructure operators, climate researchers, civil and defense agencies. At Sceye, we aim high, and we want you to join us at the stratospheric edge of innovation. As part of our mission-driven team, you’ll contribute to building breakthrough technologies that are changing the way we connect and observe the world.
We are looking for individuals who bring not only deep expertise but also bold vision and an unwavering commitment to excellence.
About the Position:
Sceye is seeking a Lead Thermal Engineer with proven, hands‑on experience supporting the design, analysis, and validation of thermal systems for high‑altitude aerospace platforms, including HAPS, unmanned aerial systems (UAS), drones, or closely related flight vehicles. This role is responsible for ensuring reliable thermal performance of avionics, structures, propulsion‑adjacent systems, and payloads operating in extreme stratospheric environments.
The Lead Thermal Engineer will serve as a trusted technical advisor and will be relied upon for sound judgment and guidance on thermal management strategies that directly influence system design, risk mitigation, and mission readiness. This role requires someone who has successfully applied thermal engineering expertise in prior industry roles and is comfortable owning thermal decisions.
What You’ll Do:
- Design, analyze, and optimize active and passive thermal control systems for high‑altitude aerospace platforms
- Perform steady‑state and transient thermal analyses using analytical and numerical methods
- Develop, validate, and maintain thermal models predicting system behavior across stratospheric and mission‑specific operating conditions
- Support selection, qualification, and trade studies for materials, insulation, coatings, radiators, and thermal interfaces
- Define thermal requirements, margins, and operating limits for avionics, batteries, payloads, and structural components
- Support environmental testing, including thermal vacuum, altitude simulation, and temperature cycling tests
- Analyze test data, correlate results with thermal models, and drive design updates as needed
- Collaborate with mechanical, electrical, systems, and manufacturing teams to resolve real‑world thermal challenges
- Document designs, analyses, test results, and compliance with applicable engineering standards
- Support design reviews, risk assessments, and continuous improvement initiatives
What We’re Looking For :
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a closely related field
- 5–10 years of demonstrated, hands‑on experience in thermal analysis and thermal system design for aerospace or high‑altitude flight systems
- Proven practical experience supporting thermal management for drones, HAPS, UAS, or closely related aerospace platforms
- Demonstrated ability to…
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